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LIN1019-6864 : Security Advisory - linux - CVE-2021-33909

Created: Jul 20, 2021    Updated: Sep 9, 2021
Resolved Date: Aug 16, 2021
Found In Version: 10.19.45.1
Fix Version: 10.19.45.19
Severity: Standard
Applicable for: Wind River Linux LTS 19
Component/s: Kernel

Description

fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05.

CREATE(Triage):(User=admin) [CVE-2021-33909|https://nvd.nist.gov/vuln/detail/CVE-2021-33909]

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